MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ac5ff1bb66fd3575cda9547d9ffcab8885679816cea32e62fd103c3468b0f23. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



FormBook


Vendor detections: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 3ac5ff1bb66fd3575cda9547d9ffcab8885679816cea32e62fd103c3468b0f23
SHA3-384 hash: 041c74171717471431cdea11df51597b496e06d9461edbc7469491eaab818d94cf51b8f7bb01e28e03ec4aa22545bd80
SHA1 hash: b30212c8422100660a98fca818ea1b934177f647
MD5 hash: 004ceb2eba5cb14868dd7a4fb3f9bcd2
humanhash: fish-ack-lactose-three
File name:DELIVERY DOCUMENT 7402853496_pdf.exe
Download: download sample
Signature FormBook
File size:286'720 bytes
First seen:2020-06-20 05:49:29 UTC
Last seen:2020-06-20 06:58:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:YqPJ2ZNVTJBfRRt/bwku0m5Bw7AbtIXvPm6nvQ9SH:C1zDwkO6XmMQw
Threatray 5'152 similar samples on MalwareBazaar
TLSH 3B54E05D9599C030EA2B97BDD8D334A723A4F061AE52F3DC1F4132F71829BC1C92966B
Reporter abuse_ch
Tags:DHL exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: vps6.localdomain
Sending IP: 188.119.151.123
From: DHL EXPRESS <NoReply.ODD@dhl.com>
Reply-To: DHL EXPRESS <soomla6384@yahoo.com>
Subject: DHL On Demand Delivery
Attachment: DELIVERY DOCUMENT 7402853496_pdf.rar (contains "DELIVERY DOCUMENT 7402853496_pdf.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-06-20 05:51:04 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
trojan spyware stealer family:formbook persistence
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
System policy modification
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds Run entry to policy start application
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

FormBook

Executable exe 3ac5ff1bb66fd3575cda9547d9ffcab8885679816cea32e62fd103c3468b0f23

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments